Dump car bottom



Feb. 16, 1943. s. w. zoLDoK l 2,311,501

DUMP CAR BOTTOM Filed Feb. 4, 1941 INVENTOR.

A T TORNEX resented Feb. lo, 1943 nom' om vmirrors Stephen W. Zoldok,81m Luis Obispo, Qalif.

Application February 4, 1941/, Serial No., 377,324

(Cl. )o5-22) Thisizwention relates to dump oars, skips Aand s buokeis,pemioulerly such as ere used for carryim: emo domicilios ore, and has iodo with an imgosovexl isoiiom plaie oi' liner foisiioli oars emieoepeeolw.,

Toe @Tlmgolool object of ille invention is to pl'ovlole on grove-oloomgeiesl sheet metal bot= ism @lese or Wololfi will Toe les Tesisi, wemsmi st d muoia looses service ila-Tom Lise sheet fome liners lieseiooeused.

lesto advantages ol Eolie imvenion f* oooly shoe s tallied emiemploi;

"' ose of @Koss sectional View of i leken ilse line 2 2' wing theooifmgoeed bottom y o nel silo seeiloool View ofi sheet metal o 'lo oiFis. 3 lout of 'Pollon im ille foam oi the core 3 @lss-willig mesedetail mloeoors oihea' dump .ove mexiialooed ese generally son, welsubject to fossiles e 37 the ose is unloaded e llo-e es heavy highlyeloiesive f' @he hollow ole'le or' een es ii else owoy the messi oi illeed dos? wfiioln smelly; @segs upon sine oi'e lo ioosseel out (on dumpossei, while oo elle it owls out *alle side well ol ille om *oelow llepile of ore oil".

'i lieve overcome emessi e 'wees' mentioned, o1 milles lleve owod e weyto minimize it, end edil greely lo ilo-e lie of the oei or lo may oon- IRollos@ oT side well subject izo the ooresive A of o moi/ing lood ofthis limsi, either et time of? #roeping eind/oi @lling I of ille oon-"so suoli abrasive ooiioi'i, of special corro met-ol 'which the oioemsof the oorsugeions ose sevezrel times es lillois es the solemos o? llesheet, end ossee-aging the coml@,fotior/:ls longitudinally with respectlo the sliding movement o* the ore when losing slumped. The inventionwes ille i'esiilt oi the discovery by me illes wheel ordinary corrugatediron is used on a clump osi in 'sluis manner "the crowns of the y wellsof desisei'l.

ridges are eopidly wom o while the Temaindei of the shee is still invery goed condition.

In the chewing, i designates o conventional dump oer body, 2 is thebottom of the ser,4 3 ille door hinged et l, ood shown ogen in l withthe oie or Tools sliding out from the tilted body Ai leest bottom pleteo' the ser is merle oi 'ooi/ered with e, slleelJ oi' my specialooiz'ugeied motel (iron or steel), sind oreeielily the doos elem es ii;is suojeoi so weer es ii :liess more oi less om elle socks 5 es theyslide ooo mieles il..

"The lo liorso sheet used es ille only bottom Ii'lieszlms: of ille ce?ls of course supported om soli-1 iseosvessoi'y' enemies lessons oy:sosie irons 6. Tais elise-i; moy be ooiugeieol lo the seme gemeseloioxoiiois es found in sommeil @.io'imei sailed siseeise-iiiei is, witheque?. @Towns vel leys shown im the meiel slieei is oreieooly rolledwhile lios lo. suoli s, weyes to produ-ee e @Tees ezoess of oo. seeleomero es imdiooiesl esi sind goefluelly tepels om" lolo me oi Toe-iolwhich may loe of thickness l While l @feier use e, oomosigeied sheet ofille Losoporilom in 3, with ouwerl valleys 2 smoel im size lo the oosms,still foi some @esposos the valleys moy se ilsitesiecl sod loro oi*loose limes s mole es the omwille es shown et l iii fl @mi Wilma-:imtime thickened oi'owos me designoeel l ooos'isootiom es eoovelesoiiioed'or the Toosiom of om also applies i@ ille @scheme openingaloof 3, emi ifo some oei-ses #zo ell interior 'sloom e oomslslelfoi-iomof Figs. 3 emi l; will loe evident heavy obsesivo ehmilss of ore oi'sock drooping upon suoli e, bottom es 'shows es; 2 emol 3 thepesoussive wees will loe largely oooneol ifo ille illislsened crowns ofilleoomigeizesl sheet; emi when the lood slides lng abrasive chunks ofheavy material, e corrugated sheet of meierial against which themateriol slides ln dumping arranged with its co1'- Tugatioos extendinglongitudinal to the movement of the material in dumping, the uppercrowned portions of the corrugated sheet being thickened and spacedclose enough to take the greater part of the abrasive weight of thematerial in the longitudinal sliding movement of the material during thedumping operation.

2. In a mine dump car, a corrugated sheet of metal forming the bottom ofthe ore receiving space and arranged with its corrugations extendinglongitudinally to the sliding movement of the ore during the dumpingoperation, and the metal of the corrugations ofthe sheet being thickerat the upper crowns oi' the corrugations than the side walls and thelower crowns of the sheet,-

said upper crowns adapted to support the large abrasive chunks of ore totake the greater part of the abrasive weight of the material during thedumping operation.

3. In a mine dump car, a corrugated sheet of metal forming the bottom ofthe ore receiving space and arranged with its corrugations extendinglongitudinally to the sliding movement o! the ore during the dumpingoperation. the metal oi' the corrugations' of the sheet being thicker atthe upper crowns ot the corrugations than the lside walls and the lowercrowns of the sheet, said upper crowns adapted to support the largeabrasive chunks of ore to take the greater part oi' the abrasive weightof the material during the dumping operation, and a gate pivotallysecured to the dump end of the car and adapted to effect a drag upon thematerial during the dumping operation. said gate having its inner facecovered with a similarly formed corrugated sheet of metal with thecorrugations extending parallel to the movement of the material duringthe dumping operation. e

STEPHEN W. ZOLDOK.

